<div class="home">
  <div class="home-button">
   <div class="text">
    哈哈哈哈
   </div>
  </div>
  <el-button type="primary" @click="changColor('light')">切换主题1</el-button>
  <el-button type="primary" @click="changColor('deep')">切换主题1</el-button>
</div>